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		<h1>​Hướng dẫn giải bài tập SGK Hoá học lớp 10 bài 18&#x3A; Phân loại phản ứng trong hóa học vô cơ</h1>
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			​Hướng dẫn giải bài tập SGK Hoá học lớp 10 bài 18: Phân loại phản ứng trong hóa học vô cơ
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			<p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">Bài 1: Cho phản ứng: 2Na + Cl<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>&nbsp;→ 2NaCl.</strong></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">Trong phản ứng này, nguyên tử natri.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">A. Bị oxi hóa.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">B. Bị khử.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">C. Vừa bị oxi hóa, vừa bị khử.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">D. Không bị oxi hóa, không bị khử.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">Chọn đáp án đúng</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><u><em><strong>Giải:</strong></em></u></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">A đúng.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">Bài 2: Cho phản ứng: Zn + CuCl<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>&nbsp;→ ZnCl<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>&nbsp;+ Cu.</strong></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">Trong phản ứng này, 1 mol ion Cu<sup style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2+</sup>;</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">A. Đã nhận 1 mol electron.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">B. Đã nhận 2 mol electron.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">C. Đã nhường 1 mol electron.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">D. Đã nhường 2 mol electron.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">Chọn đáp án đúng.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><u style="color: rgba(0, 0, 0, 0.87); font-family: Arial, Helvetica, sans-serif; font-size: 16px;"><em><strong>Giải:</strong></em></u></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">B đúng</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">Bài 3: Cho các phản ứng sau:</strong></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">A. Al<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">4</sub>C<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">3</sub>&nbsp;+ 12H<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>O → 4Al(OH)<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">3</sub>&nbsp;+ 3CH<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">4</sub></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">B. 2Na + 2H<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>O → 2NaOH + H<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">C. NaH + H<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>O → NaOH + H<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">D. 2F<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>&nbsp;+ 2H<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>O → 4HF + O<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">Phản ứng nào không phải phản ứng oxi hóa - khử?</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><u style="color: rgba(0, 0, 0, 0.87); font-family: Arial, Helvetica, sans-serif; font-size: 16px;"><em><strong>Giải:</strong></em></u></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">A đúng.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">Bài 4: Dấu hiện để nhận biết một phản ứng oxi hóa - khử:</strong></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">A. Tạo ra chất kết tủa.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">B. Tạo ra chất khí.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">C. Có sự thay đổi màu sắc của các chất.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">D. Có sự thay đổi số oxi hóa của một hay một số nguyên tố.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">Chọn đáp án đúng.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><u style="color: rgba(0, 0, 0, 0.87); font-family: Arial, Helvetica, sans-serif; font-size: 16px;"><em><strong>Giải:</strong></em></u></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">D đúng.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">Bài 5: Trong những phản ứng sau đây, phản ứng nào là phản ứng oxi hóa – khử? Giải thích.</strong></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">a) SO<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">3</sub>&nbsp;+ H<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>O → H<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>SO<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">4</sub></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">b) CaCO<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">3</sub>&nbsp;+ 2HCl → CaCl<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>&nbsp;+ CO<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>&nbsp;+ H<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>O</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">c) C + H<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>O → CO + H<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">d) CO<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>&nbsp;+ Ca(OH)<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>&nbsp;→ CaCO<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">3</sub>&nbsp;+ H<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>O</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">e) Ca + 2H<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>O → Ca(OH)<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>&nbsp;+ H<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">f) 2KMnO<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">4</sub>&nbsp;→ K<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>MnO<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">4</sub>&nbsp;+ MnO<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub>&nbsp;+ O<sub style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">2</sub></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><u style="color: rgba(0, 0, 0, 0.87); font-family: Arial, Helvetica, sans-serif; font-size: 16px;"><em><strong>Giải:</strong></em></u></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">Trong những phản ứng trên chỉ có phản ứng c), e), f) là những phản ứng oxi hóa - khử vì có sự thay đổi số oxi hóa của các nguyên tố</p><h2 id="mcetoc_1c5hrh0on0" style="margin: 0px; padding: 16px 0px 8px; border: 0px; font-variant-numeric: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 51, 153);"><img alt="Giải bài tập môn Hóa học lớp 10" class="lightbox" data-i="0" height="134" src="https://sachgiai.com/uploads/news/2018_03/giai-bai-tap-trang-86-sgk-hoa-hoc-lop-10-phan-loai-phan-ung-trong-hoa-hoc-vo-co-1.jpg" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; cursor: zoom-in; height: auto; max-width: 100%;" width="397" /></h2><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">Bài 6: Lấy ba thí dụ phản ứng hóa hợp thuộc loại phản ứng oxi hóa - khử và ba thí dụ phản ứng hóa hợp không là loại phản ứng oxi hóa - khử.</strong></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><u style="color: rgba(0, 0, 0, 0.87); font-family: Arial, Helvetica, sans-serif; font-size: 16px;"><em><strong>Giải:</strong></em></u></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">&nbsp;- Ba thí dụ phản ứng hóa hợp thuộc loại phản ứng oxi hóa - khử:</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><img alt="Giải bài tập môn Hóa học lớp 10" class="lightbox" data-i="1" height="119" src="https://sachgiai.com/uploads/news/2018_03/giai-bai-tap-trang-86-sgk-hoa-hoc-lop-10-phan-loai-phan-ung-trong-hoa-hoc-vo-co-2.jpg" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; cursor: zoom-in; height: auto; max-width: 100%;" width="187" /></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">- Ba thí dụ phản ứng hóa hợp không thuộc loại phản ứng oxi hóa - khử:</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><img alt="Giải bài tập môn Hóa học lớp 10" class="lightbox" data-i="2" height="87" src="https://sachgiai.com/uploads/news/2018_03/giai-bai-tap-trang-86-sgk-hoa-hoc-lop-10-phan-loai-phan-ung-trong-hoa-hoc-vo-co-3.jpg" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; cursor: zoom-in; height: auto; max-width: 100%;" width="238" /></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">Bài 7: Lấy ba thí dụ phản ứng phân hủy là loại phản ứng oxi hóa - khử và ba thí dụ phản ứng phân hủy không là loại phản ứng oxi hóa - khử.</strong></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><u style="color: rgba(0, 0, 0, 0.87); font-family: Arial, Helvetica, sans-serif; font-size: 16px;"><em><strong>Giải:</strong></em></u></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">- Ba thí dụ phản ứng phân hủy là phản ứng oxi hóa - khử:</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><img alt="Giải bài tập môn Hóa học lớp 10" class="lightbox" data-i="3" height="89" src="https://sachgiai.com/uploads/news/2018_03/giai-bai-tap-trang-86-sgk-hoa-hoc-lop-10-phan-loai-phan-ung-trong-hoa-hoc-vo-co-4.jpg" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; cursor: zoom-in; height: auto; max-width: 100%;" width="306" /></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">- Ba thí dụ phản ứng hóa hợp không thuộc loại phản ứng oxi hóa - khử:</p><h2 id="mcetoc_1c5hrh0on0" style="margin: 0px; padding: 16px 0px 8px; border: 0px; font-variant-numeric: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 51, 153);"><img alt="Giải bài tập môn Hóa học lớp 10" class="lightbox" data-i="4" height="96" src="https://sachgiai.com/uploads/news/2018_03/giai-bai-tap-trang-86-sgk-hoa-hoc-lop-10-phan-loai-phan-ung-trong-hoa-hoc-vo-co-1-5_1.jpg" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; cursor: zoom-in; height: auto; max-width: 100%;" width="254" /></h2><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">Bài 8: Vì sao phản ứng thế luôn luôn là loại phản ứng oxi hóa - khử?</strong></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><u style="color: rgba(0, 0, 0, 0.87); font-family: Arial, Helvetica, sans-serif; font-size: 16px;"><em><strong>Giải:</strong></em></u></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">Sỡ dĩ phản ứng thế luôn luôn là loại phản ứng oxi hóa - khử vì trong phản ứng thế, bao giờ cũng có sự thay đổi số oxi hóa của các nguyên tố.</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit;">Bài 9: Viết phương trình hóa học của các phản ứng biểu diễn các chuyển đổi sau:</strong></p><h2 id="mcetoc_1c5hrh0on0" style="margin: 0px; padding: 16px 0px 8px; border: 0px; font-variant-numeric: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 51, 153);"><img alt="Giải bài tập môn Hóa học lớp 10" class="lightbox" data-i="5" height="71" src="https://sachgiai.com/uploads/news/2018_03/giai-bai-tap-trang-86-sgk-hoa-hoc-lop-10-phan-loai-phan-ung-trong-hoa-hoc-vo-co-6.jpg" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; cursor: zoom-in; height: auto; max-width: 100%;" width="506" /></h2><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">Trong các phản ứng trên, phản ứng nào là phản ứng oxi hóa - khử?</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><u style="color: rgba(0, 0, 0, 0.87); font-family: Arial, Helvetica, sans-serif; font-size: 16px;"><em><strong>Giải:</strong></em></u></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><img alt="Giải bài tập môn Hóa học lớp 10" class="lightbox" data-i="6" height="91" src="https://sachgiai.com/uploads/news/2018_03/giai-bai-tap-trang-86-sgk-hoa-hoc-lop-10-phan-loai-phan-ung-trong-hoa-hoc-vo-co-7.jpg" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; cursor: zoom-in; height: auto; max-width: 100%;" width="342" /></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">Phản ứng oxi hóa - khử là (1) và (2).</p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);"><img alt="Giải bài tập môn Hóa học lớp 10" class="lightbox" data-i="7" height="109" src="https://sachgiai.com/uploads/news/2018_03/giai-bai-tap-trang-86-sgk-hoa-hoc-lop-10-phan-loai-phan-ung-trong-hoa-hoc-vo-co-8.jpg" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; cursor: zoom-in; height: auto; max-width: 100%;" width="295" /></p><p style="margin: 0px; padding: 0px 0px 8px; border: 0px; font-variant-numeric: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgba(0, 0, 0, 0.87);">Phản ứng oxi hóa - khử là: (1), (2), (3)</p>
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